The area (in sq. units) of the region bounded by the parabola $x = \frac{y^2}{2}$ and the line $x = y + 4$ is
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Logic Tip: When a parabola opens horizontally (i.e., its axis of symmetry is parallel to the x-axis), it is almost always more efficient to integrate with respect to $y$. Integrating with respect to $x$ would require splitting the area into multiple integrals and dealing with square root functions.